408067864

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{1999}}^1$

素因数の和:2120

約数の個数: 64

約数和(自身を含む): 864000000

約数和(自身を除く): 455932136

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 68, 76, 79, 136, 152, 158, 316, 323, 632, 646, 1292, 1343, 1501, 1999, 2584, 2686, 3002, 3998, 5372, 6004, 7996, 10744, 12008, 15992, 25517, 33983, 37981, 51034, 67966, 75962, 102068, 135932, 151924, 157921, 204136, 271864, 303848, 315842, 631684, 645677, 1263368, 1291354, 2582708, 2684657, 3000499, 5165416, 5369314, 6000998, 10738628, 12001996, 21477256, 24003992, 51008483, 102016966, 204033932, 408067864]

約数ペア:

[(1, 408067864), (2, 204033932), (4, 102016966), (8, 51008483), (17, 24003992), (19, 21477256), (34, 12001996), (38, 10738628), (68, 6000998), (76, 5369314), (79, 5165416), (136, 3000499), (152, 2684657), (158, 2582708), (316, 1291354), (323, 1263368), (632, 645677), (646, 631684), (1292, 315842), (1343, 303848), (1501, 271864), (1999, 204136), (2584, 157921), (2686, 151924), (3002, 135932), (3998, 102068), (5372, 75962), (6004, 67966), (7996, 51034), (10744, 37981), (12008, 33983), (15992, 25517)]